Question

calculate the area of a sector with radius of 21 cm and its interior angle being 100 degrees​

Answer 1

Answer:

Bro solve the problem ur self don't ask helf here nothing will happen

Answer 2

Step-by-step explanation:

The length of arc l and area A of a sector of angle θ in a circle of radius r are given by,

l=360oθ×2πr

and A=360oθ×πr2 respectively.

Here, r=21 cm and θ=1500

∴l=360150×2×722×21=55 cm

and 

A=36150×722×212=21155=577.5 cm2

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